Tung Oil an oil based wood finish

Tung Oil or china wood oil as it is sometimes called is an oil based wood finish. Tung Oil is made from the pressed seed of the nut from a tung tree.
Most tung oil products sold at retail are not pure tung oil. They may have tung oil as the major ingredient but have other additives such as varnish.
Pure tung oil can be bought at places like Woodcraft or Rockler.
Pure tung oil is non toxic and has been approved by the FDA for food contact. Pure tung oil is water resistant, will not darken with age. It penetrates well. The down side it is it dries slowly and takes 3-6 coats to give good protection.
The the surface should be dust free. Any filling, sealing or staining should be done prior to oil application. Apply a liberal amount of oil, wait 20 minutes for it to soak in and then wipe off exceed. Check back in an hour to make sure there is no draining and if there is wipe again. Allow to dry for 24-48 hours. Use fine steel wool between coat and apply 3-6 coats.
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